* {
    margin: 0px;
    padding: 0px;
    color: white;
    transition: all 0.3s ease;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    min-height: 100vh;
}

#principal {
    border-radius: 20px;
    width: 80%;
    max-width: 800px;
    min-height: 80vh;
    margin-top: 50px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 20px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

#principal h1 {
    margin-top: 20px;
    text-align: center;
    color: white;
    font-size: 2.5em;
    font-family: 'Arial', sans-serif;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

#adicionarTarefa {
    display: flex;
    margin-top: 30px;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

input {
    width: 60%;
    height: 45px;
    border: solid 1px rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 0 20px;
    outline: none;
    background-color: rgba(0, 0, 0, 0.3);
    font-size: 1.2em;
    transition: all 0.3s ease;
}

input:focus {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

input::placeholder {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

#novaTarefa {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #4a4a4a 0%, #2a2a2a 100%);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#novaTarefa:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #5a5a5a 0%, #3a3a3a 100%);
}

#conteudo {
    display: flex;
}

#lista {
    margin-top: 20px;
    width: 100%;
    justify-content: center;
}

#lista li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.5em;
    margin: 10px 0;
    padding: 10px 20px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

#lista li:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.1);
}

#apagarTarefa {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

#apagarTarefa:hover {
    background: linear-gradient(135deg, #ff0000 0%, #b50000 100%);
    transform: scale(1.1);
    cursor: pointer;
}

#apagarTarefa svg {
    fill: #c4c4c4;
    transition: fill 0.3s ease;
}

#apagarTarefa:hover svg {
    fill: white;
}